Lewis structure for a molecule or ion
What is the first step in drawing the Lewis structure for a molecule or ion
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What total volume of gas measured at 29°C and 774 torr, is produced when 1.05 g of NaHCO3(s) is completely converted to Na2CO3(s)?
A wastewater contains 8.1 mg/L phosphate ions and is treated with an 18 mg/L alum solution. Calculate the mass of inorganic sludge (aluminum precipitates) produced in one day in a plant treating 22,000 m3 of wastewater.
Property of Materials Find the density for germanium (Ge) semiconductor atoms give that its lattice constant a-5.66Å (Angstrom) and atomic weight is 72.59 g/mole.
If a 2.6 reaction vessel initially contains 725 of cyclopropane at 485 , how long will it take for the partial pressure of cylclopropane to drop to below 105 ?
Tablets of KI were distributed to people living around Chernobyl one week after the nuclear reactor explosion occurred, to help flush radioactive 131I isotope out of their bodies. 131I has a half-life of 8 days.
Using the time independent one dimensional Schrodinger equation, find the expression of the allowed energy levels for an electron in infinite potential well of width Δz= L (i.e. solve the differential equation and apply B.C. to obtain En
A 0.374g sample of a metallic element, M, is completely dissolved in 100ml of 0.500N sulfuric acid. The liberated hydrogen occupied a volume of 320ml when collected over water at 25 degrees celcius and the pressure of the gas was equalized to the
What function of acetic acid in rection to yield acetanilide? can it be changed to another acid?
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